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Facilitated diffusion takes place due to a difference in concentration on both sides of the membrane, in the direction of the lowest concentration, and does not require energy.
Answer:
A common measurement system allows them to make direct comparisons instead of having to know things like how much a certain animal weighs.
Explanation:
Got it off goo gle
The name given to the original cell before it divides is called the parent cell.
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Found this quizlet with the answer hope it helped
The pollution from the Industrial Revolution darkening the trees. After the trees darkened from all the soot in the air, the white moths were easier to see and more vulnerable to predators. The dark moths blended into the dark tree bark.
